/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/NonManifoldMappingSupport.h
Note: this will invalidate any NonManifoldMappingSupport object associated with this DynamicMesh, and subsequent use of such object will produce unexpected results.
static void RemoveNonManifoldVertexMappingData ( [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & MeshInOut )